65381713 has 2 divisors, whose sum is σ = 65381714. Its totient is φ = 65381712.

The previous prime is 65381683. The next prime is 65381737. The reversal of 65381713 is 31718356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40551424 + 24830289 = 6368^2 + 4983^2 .

It is a cyclic number.

It is not a de Polignac number, because 65381713 - 2⁵ = 65381681 is a prime.

It is not a weakly prime, because it can be changed into another prime (65385713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32690856 + 32690857.

It is an arithmetic number, because the mean of its divisors is an integer number (32690857).

Almost surely, 2^65381713 is an apocalyptic number.

It is an amenable number.

65381713 is a deficient number, since it is larger than the sum of its proper divisors (1).

65381713 is an equidigital number, since it uses as much as digits as its factorization.

65381713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 65381713 is about 8085.8959305695. The cubic root of 65381713 is about 402.8580982957.

The spelling of 65381713 in words is "sixty-five million, three hundred eighty-one thousand, seven hundred thirteen".